25. Functions, codes and symbols
Table 91. RET620 functions, codes and symbols
Function
IEC 61850
IEC 60617
IEC-ANSI
Protection
Three-phase non-directional overcurrent protection,
low stage, instance 1
PHLPTOC1
3I> (1)
51P-1 (1)
Three-phase non-directional overcurrent protection,
low stage, instance 2
PHLPTOC2
3I> (2)
51P-1 (2)
Three-phase non-directional overcurrent protection,
high stage, instance 1
PHHPTOC1
3I>> (1)
51P-2 (1)
Three-phase non-directional overcurrent protection,
high stage, instance 2
PHHPTOC2
3I>> (2)
51P-2 (2)
Three-phase non-directional overcurrent protection,
instantaneous stage, instance 1
PHIPTOC1
3I>>> (1)
50P/51P (1)
Three-phase non-directional overcurrent protection,
instantaneous stage, instance 2
PHIPTOC2
3I>>> (2)
50P/51P (2)
Three-phase directional overcurrent protection, low
stage, instance 1
DPHLPDOC1
3I> -> (1)
67-1 (1)
Three-phase directional overcurrent protection, high
stage, instance 1
DPHHPDOC1
3I>> -> (1)
67-2 (1)
Non-directional earth-fault protection, low stage,
instance 1
EFLPTOC1
Io> (1)
51N-1 (1)
Non-directional earth-fault protection, low stage,
instance 2
EFLPTOC2
Io> (2)
51N-1 (2)
Non-directional earth-fault protection, high stage,
instance 1
EFHPTOC1
Io>> (1)
51N-2 (1)
Non-directional earth-fault protection, high stage,
instance 2
EFHPTOC2
Io>> (2)
51N-2 (2)
Directional earth-fault protection, low stage, instance 1 DEFLPDEF1
Io> -> (1)
67N-1 (1)
Directional earth-fault protection, low stage, instance 2 DEFLPDEF2
Io> -> (2)
67N-1 (2)
Directional earth-fault protection, high stage
DEFHPDEF1
Io>> -> (1)
67N-2 (1)
Negative-sequence overcurrent protection, instance 1
NSPTOC1
I2> (1)
46 (1)
Negative-sequence overcurrent protection, instance 2
NSPTOC2
I2> (2)
46 (2)
Residual overvoltage protection, instance 1
ROVPTOV1
Uo> (1)
59G (1)
Residual overvoltage protection, instance 2
ROVPTOV2
Uo> (2)
59G (2)
Residual overvoltage protection, instance 3
ROVPTOV3
Uo> (3)
59G (3)
Three-phase undervoltage protection, instance 1
PHPTUV1
3U< (1)
27 (1)
Three-phase undervoltage protection, instance 2
PHPTUV2
3U< (2)
27 (2)
Three-phase undervoltage protection, instance 3
PHPTUV3
3U< (3)
27 (3)
Three-phase overvoltage protection, instance 1
PHPTOV1
3U> (1)
59 (1)
Three-phase overvoltage protection, instance 2
PHPTOV2
3U> (2)
59 (2)
Three-phase overvoltage protection, instance 3
PHPTOV3
3U> (3)
59 (3)
Positive-sequence undervoltage protection, instance 1
PSPTUV1
U1< (1)
47U+ (1)
Positive-sequence undervoltage protection, instance 2
PSPTUV2
U1< (2)
47U+ (2)
Transformer Protection and Control
1MRS757846 A
RET620
Product version: 2.0
ABB
57